青枯病是辣椒、番茄、马铃薯、茄子等茄科蔬菜的重要的细菌性病害。发病后的主要症状是茎叶虽保持绿色 ,但植株已经过萎蔫阶段而最后枯死。在病茎的褐变部位 ,用手挤压可见乳白色的菌液渗出。影响发病的主要因素是 :温度、湿度和栽培水平。青枯病在高温、高湿的环境中 ,蔬菜明 Bacterial wilt is an important bacterial disease of solanaceous vegetables such as pepper, tomato, potato and eggplant. The main symptom after the onset is that although the stems and leaves remain green, the plants have wilted and finally die. Stems in the browning of the site, squeezed by hand opalescent white liquid seepage. The main factors affecting the incidence are: temperature, humidity and cultivation level. Wilt in high temperature, high humidity environment, vegetables Ming